Pith Number

pith:NBS5D4B4

pith:2020:NBS5D4B4AHB56CCAS7SPQYRPCX

not attested not anchored not stored refs pending

CoPhy-PGNN: Learning Physics-guided Neural Networks with Competing Loss Functions for Solving Eigenvalue Problems

Abantika Ghosh, Anuj Karpatne, Christopher Singh, Jie Bu, Matthew Redell, Mohannad Elhamod, Viktor Podolskiy, Wei-Cheng Lee

arxiv:2007.01420 v8 · 2020-07-02 · cs.LG · physics.comp-ph · quant-ph · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBS5D4B4AHB56CCAS7SPQYRPCX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:41:22.919876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6865d1f03c01c3df084097e4f8622f15fb2f02df264d5c790affd45b5560e4b7

Aliases

arxiv: 2007.01420 · arxiv_version: 2007.01420v8 · doi: 10.48550/arxiv.2007.01420 · pith_short_12: NBS5D4B4AHB5 · pith_short_16: NBS5D4B4AHB56CCA · pith_short_8: NBS5D4B4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NBS5D4B4AHB56CCAS7SPQYRPCX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6865d1f03c01c3df084097e4f8622f15fb2f02df264d5c790affd45b5560e4b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc7fa52ee6fd568ca798e9fb9eebdc1bad613cc14a8978e37bb47a018817c47f",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "quant-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-07-02T22:39:02Z",
    "title_canon_sha256": "02e5cff99a8c99427b59ad786e588f6d06252808dcff4f33ad1ce7734c3b229f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.01420",
    "kind": "arxiv",
    "version": 8
  }
}